Microsoft Exchange Server is a messaging and collaborative software product developed by Microsoft. It is part of the Microsoft Servers line of server products and is widely used by enterprises using Microsoft infrastructure solutions. Exchanges major features consist of electronic mail, calendaring, contacts and tasks; support for mobile and web-based access to information; and support for data storage.
Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative we ...
Kolab is entirely Free and Open Source Software (a.k.a. FOSS), and uses Open Standards. We’ll get to why this is important to ...
Zentyal is a native Microsoft Active Directory® implementation on Linux incorporating all the network services required in a s ...
hMailServer is a free e-mail server for Microsoft Windows. Its used by Internet service providers, companies, governments, sch ...
Axigen is a premium, all-in-one email, calendaring and collaboration platform, based on an innovative, proprietary technology, ...
SOGo is groupware server with a focus on scalability and open standards. SOGo provides a rich AJAX-based Web interface and sup ...
MDaemon Messaging Server software for Windows can be deployed in virtual, hosted cloud or private on-premise environments. It ...
G Suite (formerly Google Apps for Work) is Google's encompassing selection of cloud apps for business, including customizable ...
Kolab Now, formerly MyKolab, is a fully featured secure collaboration and communication service that is easy to use on any dev ...
A fully fledged, free email server solution, an open source project (GPL v2).
Use official binary packages from Linux/BSD dist ...
SophiMail is a fully-featured email and collaboration server, ideal for private hosting: on cloud, on premises or hybrid.
Solv ...
Open Source Collaboration, providing integration with your existing Linux mailserver, native mobile phone support, Outlook "Lo ...
Kopano puts an email, video meetings, calendaring, and file sharing solution within one single interface. Kopano helps you wor ...
mailcow is a mail server suite based on Dovecot, Postfix and other open source software, that provides a modern Web UI for adm ...
Kerio Connect makes email, calendars, contacts and task management easy and affordable. With Kerio Connect, you have immediate ...